Ousmane Dabo (born 8 February 1977 in Laval, Mayenne) is a retired French footballer.
He has previously played for Rennes, Internazionale, Vicenza, Parma, Monaco, Atalanta, Lazio, Manchester City and New England Revolution. He has represented France three times at full international level. His younger brother, Moussa, is currently without a club and also plays as a midfielder.